Hydro-assisted incremental forming (HAIF): A formability-enhanced incremental forming process; presenting an experimental method for determination of forming limits with generalized non-planar stress state

被引：0
作者：
Fatemi, Afshin [1 ]
Dariani, Bijan Mollaei [1 ]
机构：
[1] Amirkabir Univ Technol, Mech Engn Dept, Tehran, Iran
来源：
ADVANCES IN INDUSTRIAL AND MANUFACTURING ENGINEERING | 2024年 / 9卷
关键词：
Hydro-assisted incremental forming; Forming limit curve; Generalized non-planar stress state; Experimental test; Finite element simulation; THICKNESS SHEAR STRESSES; SHEET; DIAGRAMS;
D O I：
10.1016/j.aime.2024.100143
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hydro-assisted incremental forming (HAIF) as a hybrid process of incremental forming and hydromechanical deep drawing with enhanced formability resulted of simultaneous exertion of normal and through thickness stresses is introduced in this paper. Based on this process, a test method is invented for experimental and finite element assessment of forming limits under generalized non-planar stress state. Previous analytical forming limit curves predicted by the present authors are evaluated using experimental tests and finite element simulations and good compatibility is observed. It is again confirmed that application of normal and through thickness stresses enhance formability in all strain paths specially in plane strain mode.
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页数：9
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